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Carl Shapiro
cmucl
Commits
bf8d3664
Commit
bf8d3664
authored
27 years ago
by
dtc
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Cleanup the noting of x86 code fixups, flushing some to slightly
reduce the bloat of the generated core.
parent
c4f8aab8
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1 changed file
compiler/generic/new-genesis.lisp
+31
-30
31 additions, 30 deletions
compiler/generic/new-genesis.lisp
with
31 additions
and
30 deletions
compiler/generic/new-genesis.lisp
+
31
−
30
View file @
bf8d3664
...
...
@@ -4,7 +4,7 @@
;;; Carnegie Mellon University, and has been placed in the public domain.
;;;
(
ext:file-comment
"$Header: /Volumes/share2/src/cmucl/cvs2git/cvsroot/src/compiler/generic/new-genesis.lisp,v 1.3
0
1998/01/1
6
0
7:22:20
dtc Exp $"
)
"$Header: /Volumes/share2/src/cmucl/cvs2git/cvsroot/src/compiler/generic/new-genesis.lisp,v 1.3
1
1998/01/1
7
0
5:52:13
dtc Exp $"
)
;;;
;;; **********************************************************************
;;;
...
...
@@ -1570,9 +1570,7 @@
(
read-n-bytes
*fasl-file*
sym
0
len
)
(
let
((
offset
(
read-arg
4
))
(
value
(
lookup-foreign-symbol
sym
)))
(
when
(
c:backend-featurep
:x86
)
(
note-load-time-code-fixup
code-object
offset
value
kind
))
(
do-cold-fixup
code-object
(
calc-offset
code-object
offset
)
value
kind
))
(
do-cold-fixup
code-object
offset
value
kind
))
code-object
))
(
define-cold-fop
(
fop-assembler-code
)
...
...
@@ -1622,9 +1620,7 @@
(
code-object
(
pop-stack
))
(
offset
(
read-arg
4
))
(
value
(
descriptor-bits
code-object
)))
(
when
(
c:backend-featurep
:x86
)
(
note-load-time-code-fixup
code-object
offset
value
kind
))
(
do-cold-fixup
code-object
(
calc-offset
code-object
offset
)
value
kind
)
(
do-cold-fixup
code-object
offset
value
kind
)
code-object
))
...
...
@@ -1764,12 +1760,7 @@
(
let*
((
routine
(
car
fixup
))
(
value
(
lookup-assembler-reference
routine
)))
(
when
value
(
when
(
c:backend-featurep
:x86
)
(
note-load-time-code-fixup
(
second
fixup
)
(
third
fixup
)
value
(
fourth
fixup
)))
(
do-cold-fixup
(
second
fixup
)
(
calc-offset
(
second
fixup
)
(
third
fixup
))
value
(
fourth
fixup
))))))
(
do-cold-fixup
(
second
fixup
)
(
third
fixup
)
value
(
fourth
fixup
))))))
;;; The x86 port needs to store code fixups along with code objects if
;;; they are to be moved, so fixups for code objects in the dynamic
...
...
@@ -1806,8 +1797,9 @@
*nil-descriptor*
)))))
*current-init-functions-cons*
))))
(
defun
do-cold-fixup
(
code-object
offset
value
kind
)
(
let
((
sap
(
sap+
(
descriptor-sap
code-object
)
offset
)))
(
defun
do-cold-fixup
(
code-object
after-header
value
kind
)
(
let*
((
offset
(
calc-offset
code-object
after-header
))
(
sap
(
sap+
(
descriptor-sap
code-object
)
offset
)))
(
ecase
(
c:backend-fasl-file-implementation
c:*backend*
)
(
#.
c:pmax-fasl-file-implementation
(
ecase
kind
...
...
@@ -1863,21 +1855,30 @@
(
setf
(
sap-ref-16
sap
2
)
(
maybe-byte-swap-short
(
ldb
(
byte
16
0
)
value
))))))
(
#.
c:x86-fasl-file-implementation
(
let*
((
disp
(
logior
(
sap-ref-8
sap
0
)
(
ash
(
sap-ref-8
sap
1
)
8
)
(
ash
(
sap-ref-8
sap
2
)
16
)
(
ash
(
sap-ref-8
sap
3
)
24
)))
(
high
(
descriptor-high
code-object
))
(
low
(
descriptor-low
code-object
))
(
value
(
ecase
kind
(
:absolute
(
+
value
disp
))
(
:relative
(
-
(
+
value
disp
vm:other-pointer-type
)
(
ash
high
descriptor-low-bits
)
low
offset
4
)))))
(
setf
(
sap-ref-8
sap
0
)
(
ldb
(
byte
8
0
)
value
))
(
setf
(
sap-ref-8
sap
1
)
(
ldb
(
byte
8
8
)
value
))
(
setf
(
sap-ref-8
sap
2
)
(
ldb
(
byte
8
16
)
value
))
(
setf
(
sap-ref-8
sap
3
)
(
ldb
(
byte
8
24
)
value
))))
(
let*
((
disp
(
maybe-byte-swap
(
sap-ref-32
sap
0
)))
(
obj-start-addr
(
logandc2
(
descriptor-bits
code-object
)
vm:lowtag-mask
)))
(
ecase
kind
(
:absolute
(
let
((
new-value
(
+
value
disp
)))
(
setf
(
sap-ref-8
sap
0
)
(
ldb
(
byte
8
0
)
new-value
))
(
setf
(
sap-ref-8
sap
1
)
(
ldb
(
byte
8
8
)
new-value
))
(
setf
(
sap-ref-8
sap
2
)
(
ldb
(
byte
8
16
)
new-value
))
(
setf
(
sap-ref-8
sap
3
)
(
ldb
(
byte
8
24
)
new-value
))
;; Note absolute fixups that point within the object.
(
unless
(
<
new-value
obj-start-addr
)
(
note-load-time-code-fixup
code-object
after-header
value
kind
))))
(
:relative
(
let
((
new-value
(
-
(
+
value
disp
)
obj-start-addr
offset
4
)))
(
setf
(
sap-ref-8
sap
0
)
(
ldb
(
byte
8
0
)
new-value
))
(
setf
(
sap-ref-8
sap
1
)
(
ldb
(
byte
8
8
)
new-value
))
(
setf
(
sap-ref-8
sap
2
)
(
ldb
(
byte
8
16
)
new-value
))
(
setf
(
sap-ref-8
sap
3
)
(
ldb
(
byte
8
24
)
new-value
))
;; Note relative fixups that point outside the code object.
(
note-load-time-code-fixup
code-object
after-header
value
kind
))))))
(
#.
c:hppa-fasl-file-implementation
(
let
((
inst
(
maybe-byte-swap
(
sap-ref-32
sap
0
))))
(
setf
(
sap-ref-32
sap
0
)
...
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